Description
How It Works？ 1. When the outdoor bark control is within range of a barking dog, microphone pick up the sound and unit is automatically activated. 2. The outdoor no bark control emits an ultrasonic sound.(ultrasonic sound can be heard by dogs but is silent to humans) 3. Startled by the high-pitched sound, the dog should stop barking, it will associate its bark with this unpleasant noise. 4. When the dog stops barking the ultrasonic sound also stops. NOTE: Different dogs may be sensible to ultras
